add ajax png

lib/misc.js

@@ -3,10 +3,21 @@ Volcanos("misc", {help: "工具模块",
         var xhr = new XMLHttpRequest();
         xhr.open("POST", url), xhr.onreadystatechange = function() {
             if (xhr.readyState != 4) {return}
+
+            switch (xhr.getResponseHeader("content-type")) {
+                case "image/png":
+                    if (xhr.responseType != "blob") {
+                        msg.responseType = "blob"
+                        can.misc.POST(can, msg, url, form, cb)
+                        return
+                    }
+                    break
+                default:
                     try { // 解析响应
                         var res = JSON.parse(xhr.responseText);
                     } catch (e) {
-                var res = {"result": [xhr.responseText]}
+                        var res = {"result": []}
+                    }
             }
             xhr.status == 200 && typeof cb == "function" && cb(msg.Copy(res));
         }
@@ -32,6 +43,7 @@ Volcanos("misc", {help: "工具模块",
         // 发送请求
         ++arguments.callee.meta.order
         xhr.setRequestHeader("Accept", "application/json")
+        xhr.responseType = msg.responseType || ""
         xhr.send(data)
         msg._xhr = xhr
     }),

pane/Action.js

@@ -62,7 +62,9 @@ Volcanos("onimport", {help: "导入数据", list: [],
 Volcanos("onaction", {help: "组件交互", list: [
     ["layout"].concat(Config.layout.list), "清屏", "刷新", "并行","串行",
     ["action", "正常", "竖排", "编排", "定位", "定形"],
-    {input: "pod"}, {input: "you"}, {input: "hot"}, {input: "top"},
+    {input: "pod"}, {input: "you"},
+    {input: "hot"}, {input: "top"},
+    {input: "grp"}, {input: "lab"},
 ],
     layout: function(event, can, value, cmd, field) {can.Export(event, cmd, value)},
 

plugin/table.js

@@ -29,8 +29,19 @@ Volcanos("onimport", {help: "导入数据", list: [],
                 }
             })
         } else {
+            switch (msg._xhr.getResponseHeader("content-type")) {
+                case "image/png":
+                    if (msg._xhr.responseType != "blob") {
+                        break
+                    }
+                    var str = URL.createObjectURL(new Blob([msg._xhr.response], {type: "image/png"}));
+                    msg.result && can.page.Append(can, output, [{img: [str]}])
+                    break
+
+                default:
                     msg.result && can.page.Append(can, output, [{view: ["code", "div", can.page.Display(msg.Result())]}]).code;
             }
+        }
         return typeof cb == "function" && cb(msg);
     },
 })